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erastova [34]
3 years ago
5

2(z-3)

t="2(z - 3) \geqslant 5" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:

2z-6

Step-by-step explanation:

2(z-3)

2(z)-2(3)=2z-6

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Salena, Justin, and Brandon were riding their bikes to the library after school. The library is 12 1/2 miles from school. Salena
faust18 [17]

Answer:

Salena's got to the library first

Step-by-step explanation:

12½ miles = 25/2 miles

2½ miles = 5/2 miles

5¾ miles = 23/4 miles

114 miles = 114 miles

Salena's time of arrival =

if 5/2 miles : 5 minutes

then 25/2 miles : ?

25/2 ÷ 5/2. × 5

25/2 × 2/5 × 5

25 minutes

Justin 's time of arrival=

if 23/4 miles : 12 minutes

25/2 miles : ?

25/2 ÷ 23/4 ×12

25/2 × 4/23 ×12

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Brandon 's time of arrival=

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25/2 ÷114 ×258

25/2 × 1/114×258

25 × 1/57 × 258

113 minutes approximately

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3 years ago
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Evgesh-ka [11]

Answer:

2021

Step-by-step explanation:

7 0
2 years ago
Find the vertex of the function given below.<br><br> y= x2 - 6x +1
Helga [31]

Answer:

V( 3, -8 )

Step-by-step explanation:

Parable equation is of the form:

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In that expression, vertex has coordinates V ( h, k )

Then all we have to do is transform the given equation

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We can get a  perfect square trinomial in the first member of the equation according to:

x²  -  6x   =   ( x - 3 )²  - 9

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By substitution  en equation (1)

( x - 3 )² - 9 = y - 1

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( x - 3 )² = y + 8

( x - 3 )² = (y + 8 )

Then vertex coordinates are

V( 3 , -8)

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3 years ago
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AveGali [126]

Answer:

Step-by-step explanation:

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